The Amazon rainforest in Brazil is used as an example of an ecosystem. Defining the physical limits of an ecosystem is essential to understand the interactions between organisms and their environments. This ecosystem is considered an open system because it exchanges energy and matter with its surroundings.
Explanation:The ecosystem under consideration in this response is the tropical rainforest located in the Amazon in Brazil. The nearest town to this ecosystem is Manaus, a city in the heart of the Amazon rainforest. The physical limits of this ecosystem are determined by geographical factors such as the Amazon River and changing climate conditions.
Defining the physical limits of an ecosystem is crucial to understand the interactions between organisms and their environment, both biotic (living) and abiotic (non-living) elements. Data collected showed how nutrients and energy flow from one organism to another, and between organisms and the abiotic components like air, water, soil, and sunlight. This Amazon rainforest is an open system because it exchanges energy and matter with its surroundings.
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___________________ are colored chemical compounds that absorb light.
The chloroplasts are colored chemical compounds that absorb light.
Where Chloroplast present?The chloroplasts present in an organelle of plant cell and certain algae.
What is function of Chloroplasts?The function of chloroplasts is to convert light energy into chemical energy through photosynthesis process.
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Select all that apply.
The reactants of photosynthesis include _____.
glucose
solar energy
carbon dioxide
carbohydrates
water
chlorophyll
oxygen
Answer: solar energy, carbon dioxide, water, chlorophyll
Photosynthesis is a natural process through which plants prepare their own food by utilizing atmospheric carbon dioxide, water and sunlight. This process occur specifically in the leaves of the plants. The sunlight is trapped by the chlorophyll pigment present in the chloroplast organelle of the present in the leaves. The food produce in the form of glucose and oxygen is produced as a byproduct of this reaction.
Compare neap and spring tides. Give two comparisons in your answer.
Neurons have _ forms
A) Different
B) the same
What is a characteristic of body cells that requires large amounts of energy?
When analyzing relationships among a particular group of taxa, how does a biologist decide which trees are the most parsimonious?
Domain analysis techniques provide broad and general analysis results, but are not yet detailed and are still comprehensive. If what is desired is a result of analysis focused on a particular domain or sub-domain, the researcher must use taxonomic analysis techniques.
Further explanation
After the researcher analyzes the domain, the domain chosen by the researcher is then determined as the focus of the study, it needs to be deepened through data collection in the field. Data collection is carried out continuously through observation, in-depth interviews and documentation so that the data collected becomes a lot. This stage requires a taxonomic analysis.
At the taxonomic analysis stage, researchers attempt to understand certain domains according to the focus of the problem or research target. Each domain begins to be understood in depth, and divides it again into a domain, and from sub-domains are broken down into more specific parts until there is no more left, aka exhausted. At this stage of the analysis the researcher can explore important domains and sub-domains through consultation with literature to gain a deeper understanding.
Taxonomic analysis is an analysis that is not just a general exploration, but an analysis that focuses on a particular domain that is very useful to describe the phenomenon or problem that is the target of study. So the conclusion is that taxonomic analysis is an analysis of all data collected based on a predetermined domain. The results can be presented in the form of box diagrams, line and node diagrams.
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Class: high school
Subject: biology
Keywords : taxonomic analysis, techniques, exploration
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explain the process of mitosis in a tissue culture for cancer cells
Answer and explanation;
-Mitosis is a type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus, typical of ordinary tissue growth.
-In tissue culture, cancer cells are taken from a living organism and grown in a culture. Cancer cells grow at an uncontrolled rate. Cancer cells do not stop growing when they are touching; they continue growing. Cancer cells grow multiple layers thick. Cancer cell growth differs from normal cell growth and the number of mitotic divisions are unlimited.
-Producing three or more daughter cells instead of normal two is a mitotic error called tripolar mitosis or multipolar mitosis (direct cell triplication / multiplication). Other errors during mitosis can induce apoptosis (programmed cell death) or cause mutations. Certain types of cancer can arise from such mutations.
Answer:
Explanation:
Cancer cells are taken from a living organism and grown in a culture.
Cancer cells grow at an uncontrolled rate.
Cancer cells do not stop growing when they are touching; they continue growing.
Cancer cells grow multiple layers thick.
Cancer cell growth differs from normal cell growth and the number of mitotic divisions are unlimited.
What is it called when scientists state whether their data confirmed or rejected the hypothesis?
A. Making a prediction
B. Drawing a conclusion
C. Stating a problem
D. Collecting data
Understanding the salinity of aquatic environments is unimportant in understanding the overall ecosystem
True or False.
Answer:
The correct answer is False
Explanation:
In the early days of germ theory, contagious diseases were thought to be caused by fungi or bacteria. In the 1890s, Dmitri Ivanovski filtered extracts from diseased tobacco plants and discovered that the disease could be transmitted to new plants through the filtrate. He concluded that the disease was caused by particles smaller than bacteria: the tobacco mosaic virus.
Which best explains how Ivanovski’s work led to a change in the germ theory?
He tried to promote his hypothesis as a law.
He used a new experimental method to test his hypothesis.
He used a more powerful bacterial strain than other scientists had.
He obtained results that confirmed what other scientists were thinking.
the answer is B HE USED A NEW EXPERIMENTAL METHOD TO TEST HIS HYPOTHESIS
Walking and running both have low impact on joints. True or False The answer is False. Walking is a low impact activity and is potentially less damaging to the joints.
Answer: False
Walking and running are two physical activities performed by living beings. Both of these actions are performed by combination of skeletal and muscular systems. The skeletal system involves bones and joints. The fusion of bones is facilitated by joints. While walking or running the entire mass of the body is exerted on the lower joints of legs which facilitates their movements.
Walking is a low impact activity and is potentially less damaging to the joints whereas running can be dangerous if not maintained in a proper posture.
Further Explanation:
Joint pain is one of the common issues which refers to discomfort, aches, as well as soreness in the body’s joints. This results due to illness or injury. In the case of running and walking, the body mainly engages large muscle groups of hamstrings, gluteals, and quadriceps. When walking, the foot contacts the ground in the heel strike and while running, the people land either on the middle of the foot or on the ball of the foot. Due to this, running has more impact on the joints as compared to walking.
Walking is beneficial and may aid in reducing the inflammation as well as stiffness. It will not make chronic knee worse. Walking is preferred by the individuals having arthritis and may also aid in improving their condition.
Walking mainly strengthens the muscles and aids in shifting the pressure of the body from the joints and also helps in lowering the pain. This elevates the strength well as balance and also aids in improvising the overall health of the individual. This also aids in attaining as well as maintaining a healthy weight, thereby, lessens the body on the joints and also helps in improving the symptoms of arthritis.
Learn more:
1. Learn more about muscle https://brainly.com/question/1134044
2. Learn more about cell https://brainly.com/question/1579016
3. Learn more about bone https://brainly.com/question/4557690
Answer Details:
Grade: High school
Subject: Biology
Chapter: Human skeleton and locomotion
Keywords:
Walking, running, joint pain, joint injury, body, hamstrings, body, quadriceps, arthritis.
Which organelles are found in both plant and animal cells?
Which of the following statements about a compound is true?
A. The physical and chemical properties of a compound are usually very different from those of the elements from which it is formed.
B. Only the physical properties of a compound are usually the same as those of the elements from which it is formed.
C. Only the chemical properties of a compound are usually the same as those of the elements from which it is formed.
D. The physical and chemical properties of a compound are usually the same as those of the elements from which it is formed.
The following are true statements about a compound: The physical and chemical properties of a compound are usually very different from those of the elements from which it is formed and are present in Option A.
What are the properties of the compound?In general, the physical and chemical properties of a compound are different from those of the elements, and this is because of the arrangement of the atoms in the compound, for example, water has two atoms, such as hydrogen and oxygen, and the same two atoms are present in hydrogen peroxide, but these two have completely different arrangements and properties.
Hence, the following are true statements about a compound: The physical and chemical properties of a compound are usually very different from those of the elements from which it is formed and are present in Option A.
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will upvote anyone who answers.
What evidence was used to support the early spherical model of Earth? Select all that apply.
The shadow seen crossing the moon during an eclipse is curved
When sailing in the ocean there is no edge to sail off of
A person in the North does not see the same stars as a person in the South
Earth is most likely a similar shape to astronomical bodies perceived outside the earth
Your Answers are B and C. I got my test on 100%
how would the cuticle and stomata work together to maintain the leaf's function
The widespread loss of wetlands would have little effect on the overall health of the environment.
True or False?
its false/////////////
Answer: False
Explanation:
The wetlands are the shallow land regions which are occupied with water seasonally, permanently or temporary. These receives water from sources like river, lakes, ponds, rain and melting of glaciers.
The widespread loss of wetlands would have little effect on the overall health of the environment is a false statement because of the fact that wetlands can effect the climatic condition of a region as well these also maintain the biodiversity of the locations where they form. If the wetlands are lost the climatic condition of the locations will be adversely affected and the biodiversity will be reduced.
Think about your house, condo or apartment. What part of your home would be like the mitochondria of the cell? Why?
The part of a home like the mitochondria of a cell is the power generator or electricity supply, as both provide essential energy for their respective systems to function.
Explanation:If we compare the parts of your home to the organelles in a cell, the part of your home that would be like the mitochondria of the cell is the power generator or electricity supply. Mitochondria are often referred to as the "powerhouses" or "energy factories" of a cell because they produce adenosine triphosphate (ATP), the cell's main energy-carrying molecule. This is similar to how a power generator or electricity supply in a house provides the energy needed for all electrical appliances to function.
The mitochondria perform a critical function of cellular respiration, transforming the chemical energy found in nutrients like glucose into ATP. Just like in our homes, where electricity is critical for lighting, heating, and powering appliances, the ATP produced by mitochondria is essential for various cellular processes that keep the cell alive and functioning. Both serve as the central energy source that enables other systems to operate efficiently.
Before 1800, most peppered moths in England were light–colored. During the Industrial Revolution, soot and industrial wastes darkened tree trunks. Gradually, the light–colored moths became rare, and the dark–colored ones became abundant. What role did natural selection play?
Answer:
Natural selection allowed physically fit dark colored moths to survive and mate to produce more physically fit offspring.
Explanation:
Due to their dark color, the dark colored moths were not identified by their predators easily. However, the light colored moths were easily identified and preyed upon.
In this way the population of light colored moths reduced largely, thereby allowing more and more mating of light colored moth with dark colored moth or mating of dark colored moth with another dark colored moth so that environmentally fit offspring could be produced which have the capability to save themselves from the predator or any other harm.
In this way natural selection allowed a shift in color of moth from lighter shade to a darker shade.
How hot is wasabi in Scoville units?
Answer:
it can not be measured by the Scoville scale.
Explanation:
Which statement is true about a cell?
A.
The smallest living things are cells.
B.
All known living things are made of multiple cells.
C.
Cells stop producing once adulthood is reached.
D.
Organs produce cells.
Students graphed the growth rate over several weeks of two plants in their classroom. The equations of both plants are given where x represents the time in weeks and y represents the heights of the plants in inches.
Plant A: y = 1.8x + 3.1
Plant B: y = 2.3x + 1.9
Approximately how many weeks will it take for both plants to reach the same height? Round your answer to the nearest tenth.
1.9 weeks
2.4 weeks
3.1 weeks
7.4 weeks
Answer:
Answer is B
Explanation:
took it on edge, it was right.
The process of replication is very accurate. there are about ___ Error in Every ______ Bases.
Answer:
The process of replication is very accurate. there are about 120,000 Errors in Every 6 Billion Bases.
Where does digestion take place
help please!
The approximate age of Earth is:
6,000 years
150,000 years
4.5 billion years
13.5 billion years
2.
On Aristotle's Scala Naturae, humans were:
on the bottom rung
on the top rung
on the same rung as animals
lower than plants
3.
Which of these ideas is not a central theory for modern biology?
evolution
creationism
cell theory
gene theory
Answer:
4.5 billion
On the top rung
creationism
Explanation:
If you look at this website then you will see that humans are on the top rung https://sites.google.com/site/aristotlethebiologist/aristotle-s-biology/great-chain-of-being
A reaction occurs when solid X is placed into solution Y. As a result, the temperature of the new solution increases by 3°C. The temperature rises another 2°C when more of solid X is added to the solution. What does this indicate about the effect of adding more solid?
The right answer is a.it increased the number of molecular collisions.
Thermodynamic temperature is a formalization of the experimental notion of temperature and is one of the main magnitudes of thermodynamics. It is intrinsically linked to entropy.
Usually denoted T, the thermodynamic temperature is measured in kelvins (symbol: K). Often referred to as "absolute temperature", it is an absolute measure because it directly reflects the fundamental physical phenomenon that underlies it: the agitation of the particles constituting matter (translation, vibration, rotation, electronic energy levels ) there is a directly proportional relationship between the number of molecules present in a solution, the number of collisions (increased by the number of molecules), and the temperature (increased by the number of collisions).
True or false: Migration doesn’t really affect population—it’s just a shifting of people from one place to another.
Migration significantly affects population sizes and can alter the genetic and demographic profiles of populations. It can be voluntary, involuntary, or forced, with diverse effects on the places people leave and the places they settle in.
Explanation:The statement 'Migration doesn’t really affect population—it’s just a shifting of people from one place to another' is false. Migration does affect population sizes and compositions in both the areas people leave (emigration) and the areas they settle in (immigration). Factors such as the distance and choice of migration, whether it is voluntary, involuntary, or forced, can have significant effects on the demographic and genetic profiles of populations.
Migration not only involves the geographic movement of people but also the movement of alleles or the genetic variation within a population, which can influence genotype frequencies. Through human history, migration has been a cornerstone in the shaping of civilizations, cultures, and the genetic diversity observed in modern populations. Hence, dismissing migration as merely a 'shifting' glosses over its profound impacts on population demographics, culture, and biological diversity.
Explain how the experiments carried out by Van Helmont and Calvin contributed to our understanding of how nutrients cycle in the biosphere.
Water is a element that is continuously circulated in the biosphere. Van Helmont conducted an experiment on trees. He weighed a willow tree of 5 pounds and placed it in a earthern pot containing 200 pounds of soil. Over five years, he only added distilled water and rain water to the pot and weighed the tree showing a weight of 169 pounds and while the soil had lost few ounces of weight. This concluded that the tree grew up using water alone as he was unaware of photosynthesis.
Melvin Calvin discovered the important process of photosynthesis called the Calvin cycle or the light-independent reaction. In this cycle, the carbon atoms from the carbon dioxide are fixed and used to build the three carbon sugars in association with the ATP and NADPH produced in the light reaction of the photosynthesis. Thus, proving that photosynthesis is the source of nutrition to the plants and responsible for the growth of the plants.
volume can be measured in liters or cubic meters true or false
Suppose that the volatile impurities in the crucible are not burned off while cleaning the crucible but are removed during the experiment. Is the reported mass percent of water in the hydrated salt too high or too low?
What are mitochondria?
A mitochondria is like a powerhouse of a cell. They provide most of the cell's energy to do certain things.